package org.apache.lucene.messages;

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Locale;

/**
 * Default implementation of Message interface.
 * For Native Language Support (NLS), system of software internationalization.
 */
public class MessageImpl implements Message {

    private static final long serialVersionUID = -3077643314630884523L;

    private String key;

    private Object[] arguments = new Object[0];

    public MessageImpl(String key) {
        this.key = key;

    }

    public MessageImpl(String key, Object... args) {
        this(key);
        this.arguments = args;
    }

    public Object[] getArguments() {
        return this.arguments;
    }

    public String getKey() {
        return this.key;
    }

    public String getLocalizedMessage() {
        return getLocalizedMessage(Locale.getDefault());
    }

    public String getLocalizedMessage(Locale locale) {
        return NLS.getLocalizedMessage(getKey(), locale, getArguments());
    }

    @Override
    public String toString() {
        Object[] args = getArguments();
        StringBuilder sb = new StringBuilder(getKey());
        if (args != null) {
            for (int i = 0; i < args.length; i++) {
                sb.append(i == 0 ? " " : ", ").append(args[i]);
            }
        }
        return sb.toString();
    }

}
